1. On the Sora's information there was a bug on the things he hates. He sees everyone as a bug because of how foolish they're which makes him hate everyone around him expect from Asuka. And he likes Asuka because she's smart and a genius like him.

2. Sora didn't plan to kidnap Sakura at first. Sakura saw Sora with dangerous people and tried to call the police. Unfortunately they caught her before she did and Sora decided to kill her with the rest.

3. Ayano never loved or even liked Sora because she likes older guys. Sora was just an excuse to make other girls hate Asuka.

4. Ariana asks things she doesn't know from the system during the exams. That's how she gets perfect grades even on the Japanese history.

5. Sora works one day per week. To make him work for one day, people must pay hundreds of dollars.

6. School director knows about Sora's 'work' and warned Asuka but he ended up going bankrupt after few days.

7. Asuka is scared of seeing too much blood because of her childhood trauma. Sora knows about that fact and felt extremely guilty when he saw her standing there with a pale face which lead him to stop his actions.

8. If Asuka didn't stop Sora, he would've killed everyone there including the guards to not leave any witnesses. He planned to kidnap Asuka and go abroad by the money he collected from his job.

9. Ariana's mother passed away after she graduated from high school and aside from her dead mother's sister Ariana doesn't have any relatives. And whereabouts of that aunt is unknown.

10. 'Asuka Yoshino' is just a soulless body. The game copies the player's personality and manipulated other characters to think she was like this from the beginning. That's why game characters don't notice difference between real Asuka and Ariana.